ok now think about what that implys about motion suppose you have got a bit of stuff here and its moving downwards.
现在请思考下那对运动力暗示着什么,假设你在这里有个东西，它向下进行运动。
Newton for years had been curious about the cause of the orbital motion of the moon and planets.
多年来，牛顿一直对月球和行星绕轨道运行的原因感到好奇。
The most extraordinary thing about language, however, is that one doesn't have to be a genius to set its wheels in motion.
然而，语言最非凡之处在于，一个人不必成为天才也能驾驭语言。
Well, the first observation is that the velocity vector what can I say about the velocity vector of this motion?
首先，第一个观察到的就是速度向量,关于这个运动中的速度向量，我可以说点什么呢？
So, now, what's interesting about this is we can analyze the motion in more detail.
所以，现在更有趣的是，我们可以更加详细地分析它的运动。
Think about the motion of billiard balls, one billiard ball bashing into another.
想象一下台球的运动，一个球对另一个球的撞击。
He looked at these results about the motion of planets and try to come up with the theory that could explain them.
他致力于有关行星运动的科研成果，并且尝试运用理论来解释它们。
She had been a streetcar conductor for several years; what she liked about the job was the uniform and the constant motion, the changing scenery and the wheels rolling under her feet.
她干了几年有轨电车售票员的工作了；她所喜欢这项工作的原因是因为那身制服和频繁的移动，路经过的那些变化的景致和她脚下滚动的车轮。
Readers could pore over academic papers about the physical properties of buckyballs, but a 16-second animation describes their motion more easily and arguably more thoroughly.
读者们可能在一些学术论文上读到过关于布基球物理特性的描绘，但都不及这16秒的动画来得轻松、真实和彻底。
In practice ,a rotor weighing about 10 tons and rotating at 3,000 r .p . m . may be so well balanced that the motion ,except for sound ,is just perceptible.
实际上，一根据重约10吨、每分钟3000转的转子可以平衡得非常好，以致除了响声外，人们几乎觉察不出它是在转动。 [分析]此处just =almostnot, hardly 曾误译为“正好觉察得出……”，这样意思就反了
But now lets think about this necessity , suppose A happens, A might be the motion of one billiard ball towards another.
现在让我们来考虑下必要性问题，假设A发生了情况，A可能是某台球对另一台球的撞击运动。
As with the shuttle, Orion astronauts will practice ascents in a full-motion simulator that forces them to make quick decisions about whether or not to abort a mission.
如同航天飞机，“猎户星”号宇航员将在一个全动态模拟器里训练上升，这将迫使他们在面临是否放弃一个任务时作出快速选择。
As they face each other in front of a white wall, they keep their bodies about a foot apart and their tongues sloppily in motion.
他们面对着对方，站在白墙边，两个人的身体有大概一尺的距离，舌头在电影中伸出来，泛着口水。
He recovered in time to motion over one of his elves, who told the girl's mother about the local Lions Club, which helps provide needy children with prescription glasses.
他及时回过神，招呼他的一个小精灵过来，小精灵告诉那个小姑娘的妈妈，当地的慈善机构狮子会可以帮助向贫困儿童提供处方眼镜。
If the rocks are moving about on ice rafts, the ground below cannot offer as much resistance against their motion and the winds needed for movement wouldn't have to be as great, he argued.
他提出，假设石头是在冰筏上移动的，地面的阻力不足以克制它们的移动，风力也不用那么大，就可以让石头动起来。
And you say, well, OK, let's think about their rotational motion.
然后你说，好，让我们来考虑它们的转动。
To negotiate human Spaces, robots like HERB need to perceive and cope with unfamiliar objects and move about without bumping into people who are themselves in motion.
要想融入人类社会，机器人，比如herb，需要能够感知和应对陌生事物，走动时不会撞上穿梭的人群。
And, if you want to think about it in terms of motions, that also will measure the rotation part of the motion.
如果从位移的角度，来思考这个问题，它也可以度量位移的旋转部分。
I don't think there has ever been a major motion picture about a financial person who ended up a philanthropist.
我觉得好像没有一部正儿八经的电影里，金融业者最终成为了慈善家。
Motion waste occurs when people spend time physically moving about.
当人们需要时间进行物理上的移动时，就会产生移动消耗了。
That is why we don't worry about the motion of the nucleus 1 because the ratio of mass is about 2,000 to one.
这就解释了为什么我们不担心，原子核运动起来，因为原子核和电子的质量比约为2000 ？
Remember last week, when we talked about the rumours that Research In Motion might bring Android application compatibility to its new QNX-based mobile operating system?
还记得上周我们讨论的有关黑莓或将Android应用软件兼容引入其基于QNX（Quick Unix，一款嵌入式实时操作系统）移动操作系统的传言吗？
Conspiracy theories about wear-proof products (along with their close cousins, perpetual-motion machines) have existed since the dawn of industrial times.
在工业时代的早期，一些论证防磨损的产品（以及该类产品的“近亲”——永动机）的阴谋论就已经出现。
Many acoustic drivers are substantially symmetric about the axis of motion 22.
很多声学驱动器围绕运动轴线22基本对称。
Many acoustic drivers are substantially symmetric about the axis of motion 22.
很多声学驱动器围绕运动轴线22基本对称。
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